TOPSHOT - A smartphone shows a tweet by US President Donald Trump saying "Tremendous success tonight" after most of the result of the US midterm elections were called by US Media on November 06, 2018 in Washington, DC. - President Donald Trump called Tuesday's midterm congressional elections a "tremendous success," despite his Republican Party losing control of the House of Representatives. The Republicans held on to the Senate and narrowly survived a number of big individual races, including in Florida. The Democrats now control the lower house for the first time in eight years. (Photo by Eric BARADAT / AFP)